When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13